Apparatus for forming hog troughs



Sept 19, 1933. H. H. HELMERs 1,927,567

APPARATUS FOR FORMING HOG TROUGHS Filed Oct. 12, 1931 2 Sheets-Sheet 2 III 1 5 1 f5; g w1 3,

Patented Sept. 19, 1933 y 1,927,567 e Y APPARATS FoRFoRMIN-G Hoo#y TRoUGHs ,v 'f

Henry n. nemers, man, mwa y VApplicatiefoctober 12,1931. Ismail No.A 568,291

i r1 c1aim., (ci. 25g-13o) This invention relates to aV moulding apparatus and a method for using the same when used on hog troughs of substantially circular form.

An object of my invention is to provide a simple mould that will enable anyone comparatively unskilled in the art to make a suitable hog-trough.

Another object of my invention is the provision of a mould for making hog troughs so that these 10 troughs can be made in a minimum of time.

Another object of my invention is to provide such a mould that practically any plastic substance, such as concrete or others, can be used to make such a trough.

5 A further object of my invention is to provide such a trough which will result in a cheaper product than the metal type.

A still further object of my invention is to provide an apparatus for making hog troughs 20 which will result ina smoother finished product.

Another object of my invention is to provide a.,

mould for hog troughs which is simple, durable, and easy to manufacture.

With these and other objects in view, my in- Vention consists in the construction, arrangement, and combination of thevarious parts of my device whereby ythe objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which:

Figure 1 is a view of a side elevation of mould,

Figure 2 is a plan view of Figure 1,

Figure 3 is a sectional view of Figure 2, taken substantially along the line 3 3,

Y Figure 4 is a sectional view of the same showing the wooden base attached, and

Figures 5 to 15 inclusive, illustrate the process of forming moulds vwith the apparatus, hereinafter described.

I have used the reference character to indicate the outer shell of the mould. This outer shell is provided with the ears 12. vThe inner core 11 is provided with the flangesr 13 and the guide projections 14.

The levers 15 are suitably mounted on the anges 13 and swing about the bolt or pin 16.

i the The upper part of the shell 10 includes the lugs 17, which lugs receive the bent arms 18 which are adjusted for clamping purposes by the thumb nut 19.

I have further provided the frame 20 which includes the four arms 21 at right angles to each other. These arms 21 include the beveled portion 22 at their lower portions. The outer of the mould is smoothed down rim 23of' the rframe includes the beveled por- I further provide the woodenbase 25 which is used'when the trough is drying.

It will be seen that in the corell, the side walls 26 converge toward the top 27 as illustrated g y 1f,927,5673l in Figure 3, while the side walls 28 of the outer Y 1 shell diverge upwardly. Y y

It will now be necessary to explain the opera-l tion of the device, in making the troughs.

Figure 5 illustrates the beginning operation where the core 11 is placed as shown. Y In this position, the levers 15 are substantially tangential to the outer periphery of the corefll. The outer shell 10 is next placed upon the core l1 as shown in Figure 6, and the locking levers 15 swung about until they cover the earslz.v

Next, the concreteA or other plastic material, which we will designate by thecharacter 29, is poured into and between the core ll'and the shell 10, as indicated by Figure 7. In this position, `the upper surface 30 of this plastic material will be rather rough and it'will be necessary to smooth it down somewhat. I accomplish this by the ruse .of the frame 2 0,and as illustrated in Figurev 8. This frame 20 is placed so that it fits fairly snugly within the shell 10 and by applying a slight pressure on thejframe and turning in the direction of the arrows as shown in .8

Figure 9, I effect the result of smoothing down v the surface 30 of the trough, and at the same time forming the slight beveled portion 31,'by means of the-beveled portion 24 in the frame. This' smoothing action is very satisfactorily achieved by means of the bevel portion 22 ofthe arms 21, since it will be seen that the directionof travel of this bevel portion isr such that the lower andy pointedv end ofi the beveliis towardtherear of the travel of the arm and tends to smooth out all 'lne particles in the plastic material so that scf when the frame 20'is removed, the uppersurface ily, and the bevel portion 3l is formed.

Next, I place the wooden base 25 upon the uplper surface of the trough and swing the arms 18 about and lock` them down against the base by means of the adjusting thumb screw 19, Awhich is shown in Figure 10. p c l Next, as in Figure 11, I reverse the mould and swing the locking levers 15 outwardly into their very satisfactorifm i ure 13, and on the Wooden base 25. This material is then allowed to dry and harden, leavingthe finished trough as indicated by the side elevation as in Figure 14.

lt will be understood throughthis process that what I have termed the top'portions of the It will be seen that I have provided a mould which will make troughs. srnplyand readily.

v Further, it' will be seen making troughs results in a superior ticle of much better appearance troughsof like nature.v Furthermore, it will be observed that a great number of troughkshca'n finished ar- 'that my f invention can 1 thatY my' method ofv than otherr 'stance' when rotated.

be made with the same mould in `continuous operations. Also, the mould isv simple and easy to*l manufacture.

Some changes may be made in the construction and arrangement of the parts of my invention without departing from the Areal spirit and purpose of my invention, and it is my intention to cover by my claim any modified formsof structure or` use of mechanical equivalents which may Ybe reasonably included withinitsscope.

I claim as my invention:

A mould for forming hog troughs comprising an inner core having upwardly converging walls, anr outer shell having downwardly converging walls, locking means between the core and the shell, a spider frame supported on the upper peripl'ieryof` theouter shell and adapted to rotate thereon, ,saidA frame having anannular bevelled edge'and including a plurality of arms having A bevelled; edges arranged to smooth a plastic sub- HENRY H HE.Li/LEES.,A

Y .fies 

